class BookItem {
  BookItem(
      {this.audio,
      this.bilingual,
      this.bookCode,
      this.bookContentLink,
      this.bookId,
      this.bookImageLink,
      this.bookTitle,
      this.description,
      this.newArival,
      this.proficiencyLevel,
      this.quiz,
      this.quizLinkUrl,
      this.topBook,
      this.viewMode,
      this.lastReadAt,
      this.quizAvailable,
      this.quizCount,
      this.readComplete,
      this.readCount,
      this.readProgress,
      this.readStarted,
      this.bookLevel,
      this.color,
      this.pass,
      this.inFolder,
      this.selected,
      this.inAudioPlaylist,
      this.traditionalTitle,
      this.simBookImageLink,
      this.ifAssigned,
      this.grammar,
      this.quickReview,
      this.word});

  String? audio;
  bool? bilingual;
  String? bookCode;
  String? bookContentLink;
  String? bookId;
  String? bookImageLink;
  String? simBookImageLink;
  String? bookTitle;
  String? description;
  bool? newArival;
  int? proficiencyLevel;
  String? bookLevel;
  String? color;
  bool? quiz;
  String? quizLinkUrl;
  bool? topBook;
  String? viewMode;
  int? lastReadAt;
  bool? quizAvailable;
  int? quizCount;
  bool? readComplete;
  int? readCount;
  int? readProgress;
  bool? readStarted;
  bool? pass;
  bool? inFolder;
  bool? selected;
  bool? inAudioPlaylist;
  String? traditionalTitle;
  bool? ifAssigned;
  String? grammar;
  String? quickReview;
  String? word;
}
